<!DOCTYPE HTML>
<html>
<head>
    <title>登录</title>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
</head>
<body>
<div>
    <div>
        <h1>LOGIN</h1>
        <form action="/login" method="post">
            <input type="text" name="username" placeholder="username" />
            <input type="password" name="password" placeholder="password" />
            <input type="submit" value="Login" >
        </form>
    </div>
</div>
</body>
</html>